103 lines
2.6 KiB
C++
103 lines
2.6 KiB
C++
// Codetastic 2024
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// ChatGPT was used to create this.
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#ifndef PatternSphereSpin_H
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#define PatternSphereSpin_H
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#include <vector>
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#include <cmath>
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struct Point3D {
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float x, y, z;
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};
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struct Point2D {
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int x, y;
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};
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class PatternSphereSpin : public Drawable {
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private:
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std::vector<Point3D> points;
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float angleX = 0.0f;
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float angleY = 0.0f;
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float distance = 3.0f;
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Point2D project(Point3D point, float distance) {
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Point2D projected;
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projected.x = static_cast<int>((point.x / (distance - point.z)) * VPANEL_W / 2 + VPANEL_W / 2);
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projected.y = static_cast<int>((point.y / (distance - point.z)) * VPANEL_H / 2 + VPANEL_H / 2);
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return projected;
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}
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std::vector<Point3D> generateSpherePoints(int numPoints) {
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std::vector<Point3D> points;
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for (int i = 0; i < numPoints; ++i) {
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float theta = 2 * PI * (i / static_cast<float>(numPoints));
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for (int j = 0; j < numPoints / 2; ++j) {
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float phi = PI * (j / static_cast<float>(numPoints / 2));
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points.push_back({ cos(theta) * sin(phi), sin(theta) * sin(phi), cos(phi) });
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}
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}
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return points;
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}
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void rotatePoints(std::vector<Point3D>& points, float angleX, float angleY) {
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for (auto& point : points) {
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// Rotate around the X axis
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float y = point.y * cos(angleX) - point.z * sin(angleX);
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float z = point.y * sin(angleX) + point.z * cos(angleX);
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point.y = y;
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point.z = z;
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// Rotate around the Y axis
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float x = point.x * cos(angleY) + point.z * sin(angleY);
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z = -point.x * sin(angleY) + point.z * cos(angleY);
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point.x = x;
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point.z = z;
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}
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}
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public:
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PatternSphereSpin() {
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name = (char *)"Sphere Spin";
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}
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void start()
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{
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points = generateSpherePoints(30);
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angleX = 0.0f;
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angleY = 0.0f;
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distance = 3.0f;
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};
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unsigned int drawFrame() {
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effects.ClearFrame();
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// Rotate points
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rotatePoints(points, angleX, angleY);
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// Project and draw lines between points
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for (size_t i = 0; i < points.size(); ++i) {
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Point2D p1 = project(points[i], distance);
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for (size_t j = i + 1; j < points.size(); ++j) {
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Point2D p2 = project(points[j], distance);
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effects.drawLine(p1.x, p1.y, p2.x, p2.y, CRGB(255,255,255));
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}
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}
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// Update angles for rotation
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angleX += 0.05f;
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angleY += 0.05f;
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effects.ShowFrame();
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return 0;
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}
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};
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#endif
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